/*
 * Copyright (c) 2015 The Jupiter Project
 *
 * Licensed under the Apache License, version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at:
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.jupiter.rpc;

import java.util.EventListener;

/**
 * Callback is often triggered by the core thread (may be an IO thread).
 * Be careful, do not to have time-consuming operations within
 * {@link #complete(Object)} and {@link #failure(Throwable)}.
 *
 * jupiter
 * org.jupiter.rpc
 *
 * @author jiachun.fjc
 */
public interface JListener<V> extends EventListener {

    /**
     * Returns result when the call succeeds.
     */
    void complete(V result);

    /**
     * Returns an exception message when call fails.
     */
    void failure(Throwable cause);
}
